EP1111204A2 - Ventilsteuerung für eine Brennkraftmaschine - Google Patents
Ventilsteuerung für eine Brennkraftmaschine Download PDFInfo
- Publication number
- EP1111204A2 EP1111204A2 EP00120061A EP00120061A EP1111204A2 EP 1111204 A2 EP1111204 A2 EP 1111204A2 EP 00120061 A EP00120061 A EP 00120061A EP 00120061 A EP00120061 A EP 00120061A EP 1111204 A2 EP1111204 A2 EP 1111204A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- camshaft
- internal combustion
- combustion engine
- valve
- valve control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2820/00—Details on specific features characterising valve gear arrangements
- F01L2820/04—Sensors
- F01L2820/041—Camshafts position or phase sensors
Definitions
- the invention relates to a valve control for an internal combustion engine according to the Preamble of claim 1.
- a known valve control of an internal combustion engine US 5,031,583, includes one Camshaft with cams of different profiles that have an intake valve or an exhaust valve actuate. Rocker arms are provided between the cams and the valves with which the stroke of the respective valve can be influenced by means of coupling elements.
- the camshaft is provided with a phase adjuster, with which the Control times of the valves are changeable.
- the disadvantage of this design is that none Precautions are taken to monitor the function of the coupling elements.
- the function switching state can also generate the function signal Phase control of a camshaft, switching state of the valve lift circuit, speed of the The camshaft and oil temperature of the lubricating oil of the internal combustion engine are also used become.
- An internal combustion engine 1 comprises a plurality of cylinders 2 and opposite ones Rows 3 and 4, in which the cylinders are provided.
- Each row of cylinders 3 has a cylinder housing 5 and a cylinder head 6.
- the cylinder head 6 is with each cylinder 2 provided at least one inlet valve 7 and an outlet valve 8, which are part of a Valve control 9 are and for gas exchange control in a combustion chamber 10 of the respective Serve cylinder 2.
- the actuation of the intake valves 7 and the exhaust valves 8 will by means of an intake camshaft 11 and an exhaust camshaft 12, being between the camshafts 11 and 12 and the valves 7 and 8 bucket tappets 13,14 are arranged.
- At least the tappets 13, which are connected to the inlet valves 7 interact, are designed as switching elements 15 with which the stroke of Inlet valves 7 is variable or switchable.
- each inlet valve 7 on the Inlet camshaft 11 different cams 16 and 17 attached - Fig. 2 -. there causes cam 16 a maximum stroke of the inlet valve 7; Cam 17 a reduced Stroke.
- the intake camshaft 11 is provided with a camshaft adjuster 18 provided with their relative rotational position at angle a to the exhaust camshaft 12th is changeable.
- the timing of the intake valves 7 and the exhaust valves 8th to be influenced.
- the change in rotational position of the intake camshaft 11 and the stroke switching of the Switching elements 15 are e.g. depending on the speed and the accelerator pedal position the internal combustion engine 1.
- torsional vibration signals Ds of the intake camshaft 11 detected as measured values Mw and, in the case of defined deviations, as function signal Fs displayed.
- the measured values Mw resulting from the torsional vibration signals Ds are in Fig. 6 shown.
- the vibration line 19 gives a functional Vibration curve with the line sections 20 and 21 again. Line section 20 results when the switching elements 15 operate with a reduced stroke; the line segment 21 when the switching element works with maximum stroke.
- the torsional vibration peaks 22 and 23 of line segments 20 and 21 are substantially uniform Course on, which means that the switching elements 15 according to the design, ie are duly effective.
- the vibration line 19 ' shows both in Line section 20 'as in line section 21' from the normal Torsional vibration peaks 22 'and 23' differing torsional vibration peaks 24 and 25, The latter go to malfunctions of one or more switching elements 15 back.
- the torsional vibration signals or measured values Mw are determined by means of a Hall sensor 26 removed, which is assigned to the intake camshaft 11. Are suitable for this also induction sensors, optical sensors et cetera.
- An electronic evaluation unit 27 determines the speed n of the internal combustion engine, Switching state SchzVsZ3 of the valve lift control of cylinder bank 3, measured values MwZ3 of Intake camshaft 11 of cylinder bank 3, switching state SchzVsZ4 of the valve lift circuit of the cylinder bank 4 and measured values MwZ4 of the intake camshaft 11 'of the cylinder bank 4 fed. This data is processed in the evaluation electronics 27. If at the Switching elements 15 malfunctions will occur on a display device 28 of the mapped as function signal Fs.
- FIG. 4 shows a diagram in which the function signal Fs in a Evaluation electronics 29 by the parameters switching state SchzNv des Camshaft adjuster 18, switching state SchVs valve lift, measured values Mw der Inlet camshaft 11 and oil temperature Töl of the internal combustion engine 1 is formed.
- the switching state SchzNv of the camshaft adjuster 18 on a first Solenoid valve 30 removed; the switching state SchzVs of the valve lift control on one second solenoid valve 31.
- the measured values Mw of the intake camshaft 18 are taken by the Hall sender 26, which interacts with the intake camshaft 11.
- the evaluation electronics 29 the measured values Mw are compared with nominal measured values MwSo and form the basis of the function signal Fs.
- the intake camshafts 11 and 11 'of the cylinder banks 3 and 4 for Formation of the function signal Fs used d. H. are measured values MwZ3 of the cylinder bank 3 and the measured values MwZ4 cylinder bank 4, the switching elements 15 work identically given framework.
- evaluation electronics 31 In the event of deviations, evaluation electronics 31 generate this Function signal Fs.For this purpose, the following parameters are fed to the evaluation electronics 31 Switching status SchzNvZ3 and SchzNvZ4 of the camshaft adjuster 18 of the cylinder banks 3 and 4, switching state SchzVsZ3 and SchzVsZ4 of the valve lift circuits of the cylinder banks 3 and 4, measured values MwZ3 and MwZ4 of the intake camshafts 11, 11 'of the cylinder banks 3 and 4 and oil temperature Töl of the internal combustion engine 1.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Description
- Fig.1
- eine schematisch dargestellte Brennkraftmaschine mit der erfindungsgemäßen Ventilsteuerung,
- Fig. 2
- eine Teilansicht der Ventilsteuerung mit einem Schaltelement und einem Nockenwellenversteller,
- Fig. 3
- ein erstes Diagramm, das die Erzeugung des erfindungsgemäßen Funktionssignal verdeutlicht,
- Fig. 4
- ein zweites Diagramm entsprechend Fig. 3,
- Fig. 5
- ein drittes Diagramm entsprechend Fig. 3,
- Fig. 6
- ein Diagramm das Drehschwingungen einer Nockenwelle wiedergibt.
Claims (9)
- Ventilsteuerung für eine Brennkraftmaschine der Hubkolbenbauart mit mehreren Zylindern, bei der wenigstens eine Nockenwelle Ventile zur Gaswechselsteuerung in einem Brennraum der Brennkraftmaschine betätigt, wobei vorzugsweise ein Ventil in Abhängigkeit zumindest eines Parameters der Brennkraftmaschine bezüglich Hub durch mit der Nockenwelle zusammenwirkenden Schaltelementen verstellbar ausgebildet sind, dadurch gekennzeichnet, daß zur Überprüfung der Funktion eines oder mehrerer Schaltelemente (15) Meßwerte (Mw) der Nockenwelle (Einlaßnockenwelle 11 ) detektiert und bei definierten Abweichungen von einem oder mehreren festgelegten Werten als Funktionssignal (Fs) angezeigt werden.
- Ventilsteuerung nach Anspruch 1, dadurch gekennzeichnet, daß als Meßwerte (Mw) z.B. die Parameter Drehschwingungssignale (Ds) der Nockenwelle (Einlaßnockenwelle 11 ) verwendet werden.
- Ventilsteuerung nach einem oder mehreren der vorangehenden Ansprüche, dadurch gekennzeichnet, daß das Funktionssignal (Fs) durch die Parameter Schaltzustand (SchzNv) eines Nockenwellenverstellers (18), Schaltzustand (SchzVs) der Ventilhubschaltung, Meßwerte (Mw) der Nockenwelle (Einlaßnockenwelle 11 ) und Öltemperatur (Töl) des Schmieröls der Brennkraftmaschine (1 ) erzeugt wird.
- Ventilsteuerung nach Anspruch 3, dadurch gekennzeichnet, daß der Parameter Schaltzustand (SchzNw) Nockenwelle (Einlaßnockenwelle 11) von einem Magnetventil (30) des Nockenwellenverstellers (18) abgenommen wird.
- Ventilsteuerung nach Anspruch 3, dadurch gekennzeichnet, daß der Parameter Schaltzustand (SchzVs) der Ventilhubschaltung von einem Magnetventil (31 ) des Schaltelements abgenommen wird
- Ventilsteuerung nach Anspruch 3, dadurch gekennzeichnet, daß die Parameter Meßwerte (Mw) der Nockenwelle (Einlaßnockenwelle 11 ) von einem Hallgeber (26), Induktionsgeber, optischer Geber oder dergl. der Nockenwelle (Einlaßnockenwelle 11 ) abgenommen wird.
- Ventilsteuerung nach einem oder mehreren der vorangehenden Ansprüche, dadurch gekennzeichnet, daß vorzugsweise die Parameter Schaltzustand (SchzNv) des Nockenwellenverstellers (18), Schaltzustand (SchzVs) der Ventilhubumschaltung, Meßwerte (Mw) der Nockenwelle (Einlaßnockenwelle) 11 und Öltemperatur (Töl) der Brennkraftmaschine (1 ) in einer Auswerteelektronik (z.B. 27) zum Funktionssignal (Fs) verarbeitet werden.
- Ventilsteuerung nach einem oder mehreren der vorangehenden Ansprüche, dadurch gekennzeichnet, daß das Funktionssignal (Fs) über Geräte erfolgt, die im Kraftfahrzeug installiert und/oder unabhängig hiervon ausgebildet sind.
- Verfahren zur Überprüfung der Funktion von einem oder mehreren Schaltelementen der Ventilsteuerung für eine Brennkraftmaschine nach einem oder mehreren der vorangehenden Ansprüche, gekennzeichnet durch folgende VerfahrensschritteDetektierung einer Veränderung des Drehschwingungsverlaufs der Nockenwelle (Einlaßnockenwelle 11) vorzugsweise mittels des Hallgebers (26);Weitergabe der Ergebnisse der Detektierung an eine Auswerteelektronik (z.B. 27);Darstellung einer Funktionsabnormalität zumindest eines Schaltelementes (15) an einer Anzeigevorrichtung.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19957157A DE19957157A1 (de) | 1999-11-27 | 1999-11-27 | Ventilsteuerung für eine Brennkraftmaschine |
DE19957157 | 1999-11-27 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1111204A2 true EP1111204A2 (de) | 2001-06-27 |
EP1111204A3 EP1111204A3 (de) | 2002-11-06 |
EP1111204B1 EP1111204B1 (de) | 2004-12-01 |
Family
ID=7930563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00120061A Expired - Lifetime EP1111204B1 (de) | 1999-11-27 | 2000-09-15 | Ventilsteuerung für eine Brennkraftmaschine |
Country Status (4)
Country | Link |
---|---|
US (1) | US6357404B1 (de) |
EP (1) | EP1111204B1 (de) |
JP (1) | JP2001193541A (de) |
DE (2) | DE19957157A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009056243A1 (de) * | 2007-11-02 | 2009-05-07 | Daimler Ag | Brennkraftmotorenventiltriebvorrichtung |
US8935076B2 (en) | 2009-03-30 | 2015-01-13 | Toyota Jidosha Kabushiki Kaisha | Controller for internal combustion engine |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004012756B4 (de) * | 2004-03-15 | 2006-04-20 | Siemens Ag | Verfahren und Vorrichtung zum Steuern einer Brennkraftmaschine |
DE102005059575B4 (de) * | 2005-12-14 | 2022-03-17 | Robert Bosch Gmbh | Verfahren zum Betreiben einer Verbrennungskraftmaschine |
DE102006039556B4 (de) | 2006-08-23 | 2014-12-31 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Verfahren und Steuergerät zur Diagnose eines Ventilhub-Verstellsystems eines Verbrennungsmotors |
US7921710B2 (en) * | 2009-05-05 | 2011-04-12 | GM Global Technology Operations LLC | Two-step oil control valve diagnostic systems |
WO2011111236A1 (ja) * | 2010-03-11 | 2011-09-15 | トヨタ自動車株式会社 | 内燃機関の弁駆動装置 |
DE112016004372T5 (de) | 2015-11-06 | 2018-06-07 | Borgwarner Inc. | Ventilbetätigungssystem, das einen variablen ventilhub und/oder variable ventilzeitsteuerung bereitstellt |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3815067C1 (en) * | 1988-05-04 | 1989-09-21 | Bayerische Motoren Werke Ag, 8000 Muenchen, De | Method for balancing out the torsional vibrations of a vehicle drive train |
JPH07238822A (ja) * | 1994-02-28 | 1995-09-12 | Unisia Jecs Corp | 内燃機関の可変バルブ機構の機能診断装置 |
FR2726327A1 (fr) * | 1994-10-26 | 1996-05-03 | Renault | Procede de detection du bon fonctionnement d'un dispositif de distribution variable d'un moteur a combustion interne a allumage commande |
EP0831224A2 (de) * | 1996-09-19 | 1998-03-25 | Robert Bosch Gmbh | Geberanordnung zur schnellen Zylindererkennung bei einer Brennkraftmaschine |
US5803029A (en) * | 1996-09-11 | 1998-09-08 | Toyota Jidosha Kabushiki Kaisha | Valve performance controller for internal combustion engine |
DE19741597A1 (de) * | 1997-09-20 | 1999-03-25 | Schaeffler Waelzlager Ohg | Nockenpulsrad für eine Brennkraftmaschine mit variabler Nockenwellensteuerung |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS643208A (en) | 1987-06-23 | 1989-01-09 | Honda Motor Co Ltd | Tappet valve system for internal combustion engine |
ES2068571T5 (es) | 1990-02-16 | 1998-09-16 | Lotus Group Ltd | Medios de control de valvula. |
JP2887641B2 (ja) * | 1994-04-28 | 1999-04-26 | 株式会社ユニシアジェックス | 内燃機関における可変バルブタイミング制御装置の自己診断装置 |
DE69716382T2 (de) * | 1996-11-19 | 2003-06-12 | Toyota Jidosha K.K., Toyota | Variable Ventilsteuerungseinrichtung in einem Verbrennungsmotor |
JP3546651B2 (ja) * | 1997-07-30 | 2004-07-28 | トヨタ自動車株式会社 | バルブタイミング制御装置の異常検出装置 |
US6135078A (en) * | 1997-11-18 | 2000-10-24 | Denso Corporation | Variable valve timing control apparatus for an internal combustion engine |
US6101993A (en) * | 1999-02-19 | 2000-08-15 | Ford Global Technologies, Inc. | Variable cam timing control system and method |
-
1999
- 1999-11-27 DE DE19957157A patent/DE19957157A1/de not_active Ceased
-
2000
- 2000-09-15 DE DE50008826T patent/DE50008826D1/de not_active Expired - Lifetime
- 2000-09-15 EP EP00120061A patent/EP1111204B1/de not_active Expired - Lifetime
- 2000-11-24 JP JP2000358251A patent/JP2001193541A/ja active Pending
- 2000-11-27 US US09/721,675 patent/US6357404B1/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3815067C1 (en) * | 1988-05-04 | 1989-09-21 | Bayerische Motoren Werke Ag, 8000 Muenchen, De | Method for balancing out the torsional vibrations of a vehicle drive train |
JPH07238822A (ja) * | 1994-02-28 | 1995-09-12 | Unisia Jecs Corp | 内燃機関の可変バルブ機構の機能診断装置 |
FR2726327A1 (fr) * | 1994-10-26 | 1996-05-03 | Renault | Procede de detection du bon fonctionnement d'un dispositif de distribution variable d'un moteur a combustion interne a allumage commande |
US5803029A (en) * | 1996-09-11 | 1998-09-08 | Toyota Jidosha Kabushiki Kaisha | Valve performance controller for internal combustion engine |
EP0831224A2 (de) * | 1996-09-19 | 1998-03-25 | Robert Bosch Gmbh | Geberanordnung zur schnellen Zylindererkennung bei einer Brennkraftmaschine |
DE19741597A1 (de) * | 1997-09-20 | 1999-03-25 | Schaeffler Waelzlager Ohg | Nockenpulsrad für eine Brennkraftmaschine mit variabler Nockenwellensteuerung |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 01, 31. Januar 1996 (1996-01-31) & JP 07 238822 A (UNISIA JECS CORP), 12. September 1995 (1995-09-12) * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009056243A1 (de) * | 2007-11-02 | 2009-05-07 | Daimler Ag | Brennkraftmotorenventiltriebvorrichtung |
US8935076B2 (en) | 2009-03-30 | 2015-01-13 | Toyota Jidosha Kabushiki Kaisha | Controller for internal combustion engine |
EP2414643B1 (de) * | 2009-03-30 | 2015-12-16 | Toyota Jidosha Kabushiki Kaisha | Steuerung für verbrennungsmotor |
Also Published As
Publication number | Publication date |
---|---|
EP1111204B1 (de) | 2004-12-01 |
US6357404B1 (en) | 2002-03-19 |
DE50008826D1 (de) | 2005-01-05 |
DE19957157A1 (de) | 2001-06-07 |
JP2001193541A (ja) | 2001-07-17 |
EP1111204A3 (de) | 2002-11-06 |
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